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公开(公告)号：US20190078876A1
公开(公告)日：2019-03-14
申请号：US16082174
申请日：2017-02-23
申请人： KYB CORPORATION
摘要： In this road surface displacement detection device, for each frame of an image obtained by a stereo camera that images a road surface in a movement direction of an object such as a vehicle, for example, an arithmetic processing circuit detects heights of the road surface at a plurality of points for detection at different distances from the stereo camera, and superimposes information about the heights at the plurality of points for detection, which are detected for a plurality of frames, on each other while considering a movement distance of the object between the plurality of frames.
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公开(公告)号：US20210270296A1
公开(公告)日：2021-09-02
申请号：US16967615
申请日：2019-04-23
申请人： KYB Corporation
摘要： A fluid leakage detection system has a detection space to which working oil leaked out through a rod seal is guided; the rod seal being configured to seal an annular gap between a piston rod and a cylinder head; a sensor unit configured to detect pressure in the detection space; and a controller configured to acquire detected result from the sensor unit, wherein the controller has: a calculation unit configured to calculate a pressure parameter representing a pressure fluctuation in the detection space; a determination unit configured to determine occurrence of leakage of the working oil based on the pressure parameter; and the pressure parameter includes an upper limit value and a lower limit value of the pressure fluctuation obtained from the detected result detected by the sensor unit within a predetermined detection period.
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公开(公告)号：US20200300277A1
公开(公告)日：2020-09-24
申请号：US16759289
申请日：2019-08-05
申请人： KYB Corporation
IPC分类号： F15B20/00 , G01M3/26 , G01R31/374 , G01R31/3835 , F15B15/14
摘要： A fluid leakage detection system includes: a measurement unit configured to detect leakage of working oil in a hydraulic cylinder; and a controller configured to acquire a measurement result from the measurement unit, wherein the controller diagnoses that a battery depletion has been caused in a battery in a case in which it is determined that a data from the measurement unit has not been acquired and it is determined that the battery of the measurement unit has been in a low-remaining-battery-level state, and the controller diagnoses that a communication abnormality has been caused in a first communication part of the measurement unit in a case in which it is determined that the data from the measurement unit has not been acquired and it is determined that the battery has not been in the low-remaining-battery-level state.
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